When comparing xterm vs LXTerminal, the Slant community recommends xterm for most people. In the question“What are the best Linux terminal emulators?”xterm is ranked 16th while LXTerminal is ranked 24th. The most important reason people chose xterm is:

Xterm is a very lightweight terminal. It requires few resources, allowing it to run well even on lower-end machines.

Pros

Pro

Lightweight

Xterm is a very lightweight terminal. It requires few resources, allowing it to run well even on lower-end machines.

Pro

Used in every Linux distribution

If you master xterm, you won't have to learn another tty, since it is in every Linux distribution.

Pro

Stable, well-tested

Pro

Standard with X Window system

Xterm is installed as standard software with the X Window system, and is there even when installing other terminal emulators.

Pro

In about 30 years, it had only one issue, and that was fixed quickly

Pro

Many modern terminals emulate xterm

Many terminal applications, such as OS X's Terminal.app and iTerm2 (among others), all claim xterm or xterm- variants as their $TERM and aim for support of xterm's escape sequences. Many command-line applications will assume or even hard-code escape-sequences and behavior for xterm and those terminals emulating it.

Pro

Shows full characters for wide fallback fonts

Many terminal emulators that deal with wider fallback fonts (i.e. double-wide characters in CJK fonts) truncate display of wide characters, show Unicode "missing glyph" characters, or simply fail to display the characters at all. XTerm is "smart" enough to simply take up the extra space needed to show such wide characters.

Pro

Lightweight

LXTerm is the official terminal for the LXDE desktop environment, which is a very light DE in itself. So LXTerminal is a very good choice for lower-end systems.

Pro

Multiple tabs support

LXTerminal supports working with multiple tabs and tab-based navigation.

Pro

Built-in transparency

Pro

Customize-able background/foreground colors

Pro

Customizable keyboard shortcuts

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Cons

Con

Historical source code

The stories behind terminal emulation beyond their classical representatives (of which xterm is simply the most long-lived) are somewhere inbetween subtly irritating to downright surreal.

Con

No Tabs

Con

No native transparency

Xterm does not natively support transparency (though it can be emulated if needs be).

Con

Not very customizable

LXTerminal, like XTerminal and UXTerminal, is not very customizable and extendable (at least not as much as other terminal emulators).

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